Finding the Third Proportional to 3,993,954 and 8,734,404

Step by Step Solution

1. Step 1: Write the proportion equation
   3,993,954 : 8,734,404 = 8,734,404 : x
2. Step 2: Convert to fraction form
   3,993,954/8,734,404 = 8,734,404/x
3. Step 3: Cross multiply
   3,993,954x = 8,734,404 × 8,734,404
4. Step 4: Simplify right side
   3,993,954x = 76,289,813,235,216
5. Step 5: Solve for x
   x = 76,289,813,235,216/3,993,954
6. Step 6: Final answer
   x = 19,101,324.96